A Linear Multi-Layer Perceptron for Identifying Harmonic Contents of Biomedical Signals

Abstract : A linear Multi Layer Perceptron (MLP) is proposed as a new approach to identify the harmonic content of biomedical signals and to characterize them. This layered neural network uses only linear neurons. Some synthetic sinusoidal terms are used as inputs and represent a priori knowledge. A measured signal serves as a reference, then a supervised learning allows to adapt the weights and to fit its Fourier series. The amplitudes of the fundamental and high-order harmonics can be directly deduced from the combination of the weights. The effectiveness of the approach is evaluated and compared. Results show clearly that the linear MLP is able to identify in real-time the amplitudes of harmonic terms from measured signals such as electrocardiogram records under noisy conditions.
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Thien Nguyen, Patrice Wira. A Linear Multi-Layer Perceptron for Identifying Harmonic Contents of Biomedical Signals. 9th Artificial Intelligence Applications and Innovations (AIAI), Sep 2013, Paphos, Greece. pp.262-271, ⟨10.1007/978-3-642-41142-7_27⟩. ⟨hal-01459618⟩

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